What’s Vulnerable › Vulnerabilities

CVE-2026-80523: clk: spacemit: k3: set hdma clock as critical

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-26 · updated 2026-08-27

Description

In the Linux kernel, the following vulnerability has been resolved: clk: spacemit: k3: set hdma clock as critical HDMA clock is responsible for the internal TCM access path of X100 RISC-V core, so set the clock flag as critical to prevent it from being shut off, otherwise the Linux system will hang, for example in the case of a vector instruction access generates a page fault.

Affected products

• Linux kernel: 7.0 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/bb81b608db6342e5adccb6aabe900d739dc7cddb
• https://git.kernel.org/stable/c/eb525edd48907795c0d4e498ff57ad168070b289

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